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Outer Space

This flatworm fragment went to space and became a double-headed worm.

New Research

What Space-Faring Flatworms Can Teach Us About Human Health

Their experiment had some weird results—and could one day help humans thrive in microgravity and back here on Earth

An artist's impression of the Restore-L craft, a space-based refueling station that will give new life to old satellites.

NASA Is Sending a Robotic Fueling Station to Space

How do you save a billion-dollar satellite? Send another robot up there after it

A simulation of the large-scale structure of the universe

New Research

We May Live in a Massive Cosmic Void

If the universe were a block of Swiss cheese, the Milky Way would sit within one of the cheesy holes

The star KELT-9 and its hellish planet KELT-9b

New Research

Researchers Discover a Planet That’s As Hot As a Star

It’s daytime temperatures clock in at a scorching 7,800 degrees Fahrenheit

Artist’s conception of two merging black holes, spinning in a nonaligned fashion.

New Research

Scientists Hear Two Even More Ancient Black Holes Collide

At this point, detecting ripples in the fabric of space-time is practically commonplace

This brave little craft will face blinding temperatures near the sun.

Trending Today

NASA Hopes to “Touch the Sun” With a Newly Named Probe

The craft will travel within 4 million miles of the sun’s surface

Jupiter's South Pole is a cluster of dramatic storms.

New Research

New Views of Jupiter Offer Up Marvel and Mystery

From stunning polar images to weird aurorae, the gas giant is even weirder than we thought

A mid-air tourist flight. The author is second from the left.

The Future of Zero-Gravity Living Is Here

Entrepreneurs predict there will be thousands of us living and working in space. Our correspondent takes off to see what that feels like

Space mice snuggle with their Earth-bound mother.

New Research

Why Scientists Sent Mouse Sperm to the International Space Station

Back on Earth, a pile of new pups proves that mouse DNA can survive space

Artist's impression of a comet swarm around Tabby's Star

Trending Today

The “Alien Megastructure” Star Is Acting Up Again

A large dip in the star’s brightness suggests something massive is orbiting the fiery body

DISCOVR captured a glint over South America. Scientists now think that horizontal ice crystals in the troposphere account for the phenomenon, which can be viewed from deep space.

New Research

Scientists Finally Figured Out Why Earth Twinkles From Space

Horizontal ice makes the planet sparkle and shine

Image on the original Pioneer 10 and 11 plaques

Cool Finds

Now You Too Can Own a Piece of Space History

The engraver who inscribed Carl Sagan’s and Frank Drake’s 1973 message to extraterrestrials is now taking orders

The tiny creatures can adeptly fold their large wings, tucking them under their spotted forewing.

New Research

The Origami-Like Folds of Ladybug Wings Could Lead to Better Umbrellas

Scientists have finally figured out how ladybugs fold their wings

The recently sold bit of Sylacauga meteor, worth 18 times more than gold

Trending Today

Piece of the Meteorite That Struck a Woman Sells for More Than Its Weight in Gold

About the size of a dime, the fraction of the space rock fetched $7,500 at auction

The VLF bubble around Earth

New Research

A Human-Made “Bubble” of Radio Waves Could Be Shielding Earth From Radiation

Very Low Frequency radio waves have created a protective bubble around the planet

The Parkes radio telescope in Australia, which discovered the first FRB and the most recent burst

New Research

Latest Fast Radio Burst From Space Adds to Their Mystery

Researchers trained 11 telescopes on a recent burst’s aftermath, but could find no traces of what caused the high energy signal

New Research

Why Morning Glories Could Survive Space Travel

The seed of the common garden flower could survive long journeys in space

Looking toward the sunlit side of Saturn's rings, Cassini captured this image in violet light on Oct. 28, 2016.

Trending Today

Cassini Survives Its Daredevil Plunge Toward Saturn

The craft’s first date with the “big empty” went off without a hitch

Cool Finds

Stunning Map Shows Changes in Light at Night Around the World

The satellite images show where the most light is making night skies bright

NASA's Cassini spacecraft captures three of Saturn's moons—Tethys, Enceladus and Mimas—in this group photo.

Space Hub

How and When Did Saturn Get Those Magnificent Rings?

The planet’s rings are coy when it comes to revealing their age, but astronomers are getting closer

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